CN2615134Y - Continuous coating equipment for particles - Google Patents
Continuous coating equipment for particles Download PDFInfo
- Publication number
- CN2615134Y CN2615134Y CN 03256417 CN03256417U CN2615134Y CN 2615134 Y CN2615134 Y CN 2615134Y CN 03256417 CN03256417 CN 03256417 CN 03256417 U CN03256417 U CN 03256417U CN 2615134 Y CN2615134 Y CN 2615134Y
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- jet flow
- flow tower
- jet
- slide valve
- tower
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Abstract
An uninterrupted tablet-coating device comprises a plurality of jet-flow towers of sequential setting, wherein the bottom of the jet-flow tower is equipped with a solution nozzle and a hot-air scoop. Each inside of the jet-flow tower is equipped with a flash-board valve which can open and close, and a conduit which extends up from adjacent bottom of jet-flow tower and drills through the flash-board valve of inactive state. The place between adjacent jet-flow towers is equipped with an opening. The jet-flow tower of uppermost upstream side is equipped with a feed inlet in the flow direction of processing and the jet-flow tower of bottommost downstream side is equipped with a discharge hole in the flow direction of processing. Liquid and gas blow-out of the jet-flow system belch ceaselessly in the process of production, and tablet-coating particles move and shift ceaselessly thereby improving the quality and outturn of tablet-coating consumedly.
Description
Technical field
The utility model relates to a kind ofly can carry out dressing to strengthen the equipment of its slow release effect to fertiliser granulates continuously.
Background technology
Controllable sustained-release fertilizer is to adopt the very low macromolecule resin of moisture transmitance as coating material, it is evenly sprayed in the fertiliser granulates surface, make it form the very low resin molding of one deck moisture permeable, moisture in the soil enters in the fertiliser granulates by resin molding, nutrient stripping film is made for thing outward to be absorbed, the dissolution rate of fertilizer is exactly effective release rate of fertilizer nutrient in its film.This nutrient releasing speed can be waited by its material, thickness or uniformity coefficient by dressing and be controlled.
Thereby knownly adopted a kind of so-called jet flow tower to come in the fertiliser production process fertiliser granulates filmed to form dressing.The Production Flow Chart of dressing device for coating can be seen accompanying drawing 1.Its Production Flow Chart is roughly:
Gas blower 7 blows out the high-pressure blast through well heater 6 heating, is blown into jet flow tower 1 and conduit 2;
Add the fertiliser granulates for the treatment of dressing by feeding mouth 9, flow to nozzle 3 places and added hot blast by high pressure and hold up and pass conduit and fall and flow to the nozzle place again and circulate repeatedly;
In dissolving tank 5, dissolve covering liquid and it is wrapped in the fertilizer surface through pressure pump 4 pressurization backs by the nozzle ejection;
High temperature and high speed wind makes and is sprayed onto the lip-deep covering liquid drying of fertilizer, makes it form one deck plastic film at particle surface, and the solvent that evaporates reclaims by cooling withdrawer 8.
The treating processes of this known employing jet flow tower is a kind of interrupted production process, and every batch of a certain amount of fertiliser granulates just will be shut down after handling, so that carry out discharging, and then charging, and so forth.Because need constantly to shut down and start, its output of this device and efficient are subjected to certain limitation; In addition, also be adversely affected the work-ing life of machine.
Up to the present domestic also do not have continuous production dressing equipment.There is the fluidized-bed of use to come quantity-produced equipment report and document abroad.But according to the pertinent data introduction, because release and release control fertilizer is had relatively high expectations to coating quality, fluidized bed type dressing equipment can not satisfy the dressing requirement to fertilizer.Specifically be: fluidized-bed adopts porous plate to be isolated by bag material and blower fan, and nozzle location is restricted, and influences the atomizing effect of covering liquid; Bigger in the fluidized-bed by the material suspended dressing face of bag, then can influence the dressing homogeneity if adopt single nozzle to carry out dressing, and the multi-nozzle dressing has the interference between the spraying, technical requirements is higher; In addition, relatively poor by the orderly flowability of coated granules when using fluidized-bed.
Have been found that adopting a kind of so-called " spouted bed " to carry out dressing can produce high-quality release and release control fertilizer particle.There is the simple report of similar spouted bed continuous production equipment in the only Japanese at present and U.S..But these, these existing installations have been found many defectives in use, and for example continuous spouted equipment is established a plurality of dressing lattice, every single dressing lattice circulation primary, thus dressing equipment is comparatively complicated, and handiness is restricted.
The utility model content
The purpose of this utility model is, from the known single jet flow tower dressing equipment of prior art, this list jet flow tower dressing equipment is reconfigured and improves, thereby design a kind of serialization fertilizer dressing equipment, make the dressing that can carry out fertiliser granulates in successive mode basically.Have a simple design according to this equipment of the present utility model, and good operability, thereby can use little infrastructure cost stably to reach the coated granule of high quality and output.
Above-mentioned purpose can realize by this continuous dressing equipment, it comprises the jet flow tower that a plurality of orders are provided with, the bottom of described jet flow tower is provided with solution nozzle and warm air admission port, a slide valve to be opened/closed also is set in each jet flow tower, and conduit that extends upward and pass slide valve from contiguous jet flow tower bottom in the closing condition of slide valve, between adjacent jet flow tower, be provided with an opening, on the jet flow tower in upstream side and downstream side on the treatment scheme direction, be respectively equipped with an opening for feed and a discharge port.
According to an aspect of the present utility model, slide valve tilts at closure state to the axis of small part with respect to the jet flow tower, and described slide valve can be a kind of Venetian blind form or can be folded to when opening on the wall of jet flow tower.
In addition, the opening between the described adjacent jet flow tower or on flow direction charging, the discharge port at two ends preferably close with a valve element respectively, described valve element preferably can with described slide valve mating reaction.
According to another aspect of the present utility model, described warm air directly is injected to the conduit bottom from the outside.
Brief description of drawings
Below by means of accompanying drawing embodiment of the present utility model is carried out more detailed description.
In the accompanying drawing:
Fig. 1 is the production scheme of the dressing device for coating of prior art;
Fig. 2 is the synoptic diagram according to continuous dressing equipment of the present utility model;
Fig. 3 a and 3b are a kind of synoptic diagram of implementing structure according to employed slide valve in the jet flow tower of dressing equipment of the present utility model.
The description of embodiment
The continuous dressing equipment that schematically illustrates in the accompanying drawing 2 comprises three first to the 3rd jet flow tower 1a-1c that are linked in sequence, and the overall structure of this jet flow tower and jet flow column foot well known in the prior art are originally similar, has the bottom that taper is shunk.So, represent with identical or similar label with essentially identical parts in the accompanying drawing 1.In addition, the number of jet flow tower is relevant with the turnout and the size of self of requirement.
As shown in the figure, have feeding mouth 9 on the sidewall of a jet flow tower that is in upstream on the whole flow direction, be connected with a feed-pipe 10 on it, fertiliser granulates enters jet flow tower 1a from this feed-pipe 10 by this feeding mouth 9.On the sidewall of a jet flow tower that is in downstream on the whole flow direction, have discharge port.
Each jet flow tower also comprises solution nozzle 3 and the hot air inlet that stretches into from its bottom, wherein is dissolved with solution ejection from this nozzle 3 under certain pressure of coating material.A distance is provided with a conduit 2 directly over this nozzle.Also can be provided with warm air admission port (not shown) on this conduit 2, the air of heating is sent to this conduit from the outside by a gas blower 7.
The high-pressure solution air-flow that the fertiliser granulates that flows into from feeding mouth 9 sprays by this nozzle when flowing to nozzle 3 tops be blown in the conduit 2 with the warm air acting in conjunction that is blown into.
In addition, also as shown in Figure 2, in each jet flow tower inside one slide valve 11 to be opened/closed is set, this slide valve is obliquely installed with respect to the axis direction of jet flow tower when closure and the jet flow tower is divided into two upper and lower half districts of not circulating basically.Described conduit passes flashboard and reaches upper half when make-position.
By accompanying drawing 2 as seen, also be provided with a valve element that can open and close to be controlled on the jet flow tower wall simultaneously switching as an opening of the opening for feed of the discharge port of the upper level jet flow tower on whole flow direction and next stage jet flow tower.In the embodiment shown in Figure 2, this opening and this valve are also just illustrated to mark with label 12 and 13.
A kind of form of implementation of slide valve 11 has been shown in the accompanying drawing 3, and it is a kind of form of common Venetian blind/plate, and accompanying drawing 3a is that this Venetian blind is in the state of opening, and accompanying drawing 3b is that this Venetian blind is in closure state.On this Venetian blind, be formed with the hole 16 that a conduit passes through as can be seen at the closure state shown in the accompanying drawing 3b.This hole of for the sake of clarity then not drawing among the accompanying drawing 3a.
Certainly, can expect at an easy rate that the curtain sheet 14 or 15 of its end can be designed to the valve element that opens and closes as charging/discharge port on the control jet flow tower wall especially in the slide valve of this Venetian blind form.When the slide valve of Venetian blind form was closed, this curtain sheet was opened the discharge port on jet flow tower right side in accompanying drawing 2, perhaps also can close the feeding mouth in jet flow tower left side in the accompanying drawing 2 simultaneously.
Nature, described slide valve also can be designed to the plate of an independent control, and it can be folded to when opening on the jet flow tower wall, then puts down when closure.This slide valve can be with a kind of in the valve element mating reaction of this mode that no longer is further described with control jet flow tower charging/discharge port each other, to finish whole successive dressing flow process.
Air intake dehumidification system according to the utility model equipment adopts single blower fan to divide fluidized drying.Adopt 2000 cubic metres/time big air quantity blower fan, at each blast inlet of each tower adjusting valve is set, to regulate suitable go into air quantity and pressure.Regulate air intake vent and air outlet diameter proportion, guarantee that the dry wind circulation is smooth and easy.Blower fan adopts centrifugal fan, to guarantee the safety of equipment when windage strengthens, reduces power consumption and input simultaneously.
Adopt compressed gas aerosol nozzle according to the utility model, all pipe-line for conveying liquids carry out steam insulation, prevent solution solidifies.Each nozzle has independent liquid control valve and pressurized gas variable valve, to guarantee the standard atmosphere pressure of nozzle, reaches best atomizing effect, and the fluid pipeline main valve is installed relief valve, guarantees solution normal circulation pressure and the safe handling of liquid force (forcing) pump.
Below the production process of the continuous dressing equipment of particle of the present utility model is simply described:
At first with blower opening, high-pressure blast is blown into the jet flow tower after being heated by well heater, and this moment, the slide valve of first, second and third jet flow tower was in open mode.Fertiliser granulates is joined in first jet flow tower by feeding mouth, simultaneously the first jet flow tower covering liquid nozzle is opened, transfer to suitable discharge rate.The slide valve that dressing will be wherein after one scheduled time in the first jet flow tower cuts out, thereby and the valve element of opening between the first and second jet flow towers open opening, make the particle of dressing in the first jet flow tower flow into the second jet flow tower.The nozzle of this second jet flow tower is opened, transferred to suitable discharge rate, thereby repeat the process in the first jet flow tower.
The second jet flow tower dressing certain hour is closed the slide valve in it later on, and opens valve element and the opening that leads to the 3rd jet flow tower, and the 3rd nozzle opens, and transfers to suitable discharge rate, repeats above-mentioned dressing process.Discharge the coated fertilizer of finished product at last from discharge port.
In particle in observe the first jet flow tower by viewing window will shift the slide valve of the first jet flow tower is opened, again by feeding mouth to the first jet flow tower pan feeding, thereby carry out another batch particulate dressing process.
The passable concrete turnout and the condition of production of control of the switching time of the switching of above-mentioned slide valve and possible valve element and order controlled automatically, but also can Artificial Control.
Each jet flow tower has independently circulation and spouted system, but independent operating, but also combination producing.In the production process, because the liquids and gases jet flow of spouted system is not interrupted, the dressing particle constantly moves in equipment, shifts, and can increase substantially product coating quality and output.
Claims (7)
1. continuous dressing equipment, it is characterized in that, it comprises the jet flow tower that a plurality of orders are provided with, the bottom of described jet flow tower is provided with solution nozzle and warm air admission port, a slide valve to be opened/closed also is set in each jet flow tower, and conduit that extends upward and pass slide valve from contiguous jet flow tower bottom in the closing condition of slide valve, between adjacent jet flow tower, be provided with an opening, on the jet flow tower in upstream side and downstream side on the treatment scheme direction, be respectively equipped with an opening for feed and a discharge port.
2. one kind according to the described continuous dressing equipment of claim 1, it is characterized in that, described slide valve tilts at closure state to the axis of small part with respect to the jet flow tower.
3. one kind according to claim 1 or 2 described continuous dressing equipment, it is characterized in that described slide valve is a kind of Venetian blind form.
4. one kind according to the described continuous dressing equipment of claim 1, it is characterized in that described slide valve can be folded to when opening on the wall of jet flow tower.
5. one kind according to the described continuous dressing equipment of claim 1, it is characterized in that, the opening between the described adjacent jet flow tower or on flow direction charging, the discharge port at two ends close with a valve element respectively.
6. one kind according to the described continuous dressing equipment of claim 5, it is characterized in that, described valve element can with described slide valve mating reaction.
7. one kind according to the described continuous dressing equipment of claim 1, it is characterized in that, described warm air directly is injected to the conduit bottom from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256417 CN2615134Y (en) | 2003-04-25 | 2003-04-25 | Continuous coating equipment for particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03256417 CN2615134Y (en) | 2003-04-25 | 2003-04-25 | Continuous coating equipment for particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2615134Y true CN2615134Y (en) | 2004-05-12 |
Family
ID=34253827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03256417 Expired - Fee Related CN2615134Y (en) | 2003-04-25 | 2003-04-25 | Continuous coating equipment for particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2615134Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910978A (en) * | 2012-11-21 | 2013-02-06 | 尹明灯 | Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer |
| CN103044142A (en) * | 2012-12-31 | 2013-04-17 | 四川好时吉化工有限公司 | Coating device |
| CN103333012A (en) * | 2013-07-10 | 2013-10-02 | 北京市农林科学院 | Continuous coating equipment |
| CN104557280A (en) * | 2014-12-23 | 2015-04-29 | 扬州雷鸥电业有限公司 | Multi-layer sedimentation type coating and drying device and method for preparation of coated fertilizer |
| CN109534914A (en) * | 2019-01-16 | 2019-03-29 | 北京市农林科学院 | Coating equipment in sugar production line and its dedicated coating tower |
| CN109761708A (en) * | 2019-03-25 | 2019-05-17 | 北京市农林科学院 | Continuous reaction film forming coating equipment in sugar production line and its dedicated coating cylinder |
-
2003
- 2003-04-25 CN CN 03256417 patent/CN2615134Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102910978A (en) * | 2012-11-21 | 2013-02-06 | 尹明灯 | Large-particle slow/controlled-release fertilizer with multi-layer coating structure and coating equipment of fertilizer |
| CN103044142A (en) * | 2012-12-31 | 2013-04-17 | 四川好时吉化工有限公司 | Coating device |
| CN103333012A (en) * | 2013-07-10 | 2013-10-02 | 北京市农林科学院 | Continuous coating equipment |
| CN103333012B (en) * | 2013-07-10 | 2015-06-10 | 北京市农林科学院 | Continuous coating equipment |
| CN104557280A (en) * | 2014-12-23 | 2015-04-29 | 扬州雷鸥电业有限公司 | Multi-layer sedimentation type coating and drying device and method for preparation of coated fertilizer |
| CN104557280B (en) * | 2014-12-23 | 2017-07-07 | 扬州雷鸥电业有限公司 | A kind of multilayer sedimentation type prepares the coating drying unit and method of coated fertilizer |
| CN109534914A (en) * | 2019-01-16 | 2019-03-29 | 北京市农林科学院 | Coating equipment in sugar production line and its dedicated coating tower |
| CN109534914B (en) * | 2019-01-16 | 2023-09-15 | 北京市农林科学院 | Coating equipment and special coating tower thereof |
| CN109761708A (en) * | 2019-03-25 | 2019-05-17 | 北京市农林科学院 | Continuous reaction film forming coating equipment in sugar production line and its dedicated coating cylinder |
| CN109761708B (en) * | 2019-03-25 | 2024-05-07 | 北京市农林科学院 | Continuous reaction film forming coating equipment and special coating cylinder thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |